/* Producer thread */
int runV2MultiWait_Producer(NDBT_Context* ctx, NDBT_Step* step,
int thd_id, int nthreads)
{
int records = ctx->getNumRecords();
HugoOperations hugoOps(*ctx->getTab());
/* For three threads (2 producers + 1 consumer) we loop 0-7.
producer 0 is slow if (loop & 1)
producer 1 is slow if (loop & 2)
consumer is slow if (loop & 4)
*/
for (int loop = 0; loop < V2_NLOOPS; loop++)
{
ctx->getPropertyWait("LOOP", loop+1);
bool slow = loop & (thd_id+1);
for (int j=0; j < records; j++)
{
if(j % nthreads == thd_id)
{
Ndb* ndb = global_ndb_pool->getNdb();
NdbTransaction* trans = ndb->startTransaction();
check(trans != NULL, (*ndb));
ndb->setCustomData(trans);
NdbOperation* readOp = trans->getNdbOperation(ctx->getTab());
check(readOp != NULL, (*trans));
check(readOp->readTuple() == 0, (*readOp));
check(hugoOps.equalForRow(readOp, j) == 0, hugoOps);
/* Read all other cols */
for (int k=0; k < ctx->getTab()->getNoOfColumns(); k++)
{
check(readOp->getValue(ctx->getTab()->getColumn(k)) != NULL,
(*readOp));
}
trans->executeAsynchPrepare(NdbTransaction::Commit,
NULL,
NULL,
NdbOperation::AbortOnError);
ndb->sendPreparedTransactions();
global_poll_group->push(ndb);
if(slow)
{
int tm = myRandom48(3) * myRandom48(3);
if(tm) NdbSleep_MilliSleep(tm);
}
}
}
}
return NDBT_OK;
}
